| martelella mediterranea gen. nov., sp. nov., a novel alpha-proteobacterium isolated from a subterranean saline lake. | a bacterial strain was isolated from the water of lake martel in mallorca (spain). the isolate, designated macl11(t), was halotolerant and strictly aerobic. the cells were non-motile, non-spore-forming, gram-negative short rods. comparative 16s rrna gene sequence analysis revealed that macl11(t) represents a separate line of descent within the order 'rhizobiales' of the class 'alphaproteobacteria'. strain macl11(t) was most closely related to the genera rhizobium (93.3 % sequence similarity to r ... | 2005 | 15774691 |
| aurantimonas altamirensis sp. nov., a member of the order rhizobiales isolated from altamira cave. | a bacterial strain, s21bt, was isolated from altamira cave (cantabria, spain). the cells were gram-negative, short rods growing aerobically. comparative 16s rrna gene sequence analysis revealed that strain s21bt represented a separate subline of descent within the family 'aurantimonadaceae' (showing 96% sequence similarity to aurantimonas coralicida) in the order rhizobiales (alphaproteobacteria). the major fatty acids detected were c16:0 and c18:1omega7c. the g+c content of the dna from strain ... | 2006 | 17082395 |
| case report of aurantimonas altamirensis bloodstream infection. | | 2009 | 19036934 |
| isolation of aurantimonas altamirensis from pleural effusions. | here we report two cases of isolation of aurantimonas altamirensis from pleural fluid and blood. the strains were identified by 16s rrna gene sequencing. a. altamirensis appears to be a rare pathogen involved in unusual infectious processes, and must be isolated and studied at the molecular level for correct clinical diagnosis. | 2010 | 20558586 |
| fulvimarina pelagi gen. nov., sp. nov., a marine bacterium that forms a deep evolutionary lineage of descent in the order "rhizobiales". | three brownish-yellow bacterial strains were isolated from the western sargasso sea by high-throughput culturing methods and characterized by polyphasic approaches. all isolates were gram-negative, strictly aerobic, chemoheterotrophic, non-motile short rods that contained carotenoid pigments. phylogenetic analyses based on 16s rrna gene sequences, dna-dna hybridization and dna g+c content, along with phenotypic characteristics, revealed that they belonged to the same species. the strains utilize ... | 2003 | 14657114 |
| aurantimonas coralicida gen. nov., sp. nov., the causative agent of white plague type ii on caribbean scleractinian corals. | a bacterium previously isolated from a diseased colony of the scleractinian coral dichocoenia stokesi (common name elliptical star coral) was subjected to a detailed polyphasic taxonomic characterization. the isolate, designated wp1t, was halophilic and strictly aerobic and formed golden-orange-pigmented colonies after prolonged incubation. cells of wp1t were gram-negative, rod-shaped and showed a characteristic branching rod morphology. chemotaxonomically, wp1t was characterized by having q-10 ... | 2003 | 12892136 |
| isolation and genetic characterization of aurantimonas and methylobacterium strains from stems of hypernodulated soybeans. | the aims of this study were to isolate aurantimonas and methylobacterium strains that responded to soybean nodulation phenotypes and nitrogen fertilization rates in a previous culture-independent analysis (ikeda et al. isme j. 4:315-326, 2010). two strategies were adopted for isolation from enriched bacterial cells prepared from stems of field-grown, hypernodulated soybeans: pcr-assisted isolation for aurantimonas and selective cultivation for methylobacterium. thirteen of 768 isolates cultivate ... | 2011 | 21512309 |
| culturable bacterial diversity at the princess elisabeth station (utsteinen, sør rondane mountains, east antarctica) harbours many new taxa. | we studied the culturable heterotrophic bacterial diversity present at the site of the new princess elisabeth station at utsteinen (dronning maud land, east antarctica) before construction. about 800 isolates were picked from two terrestrial microbial mat samples after incubation on several growth media at different temperatures. they were grouped using rep-pcr fingerprinting and partial 16s rrna gene sequencing. phylogenetic analysis of the complete 16s rrna gene sequences of 93 representatives ... | 2011 | 21501941 |
| analysis of in situ manganese(ii) oxidation in the columbia river and offshore plume: linking aurantimonas and the associated microbial community to an active biogeochemical cycle. | the columbia river is a major source of dissolved nutrients and trace metals for the west coast of north america. a large proportion of these nutrients are sourced from the columbia river estuary, where coastal and terrestrial waters mix and resuspend particulate matter within the water column. as estuarine water is discharged off the coast, it transports the particulate matter, dissolved nutrients and microorganisms forming nutrient-rich and metabolically dynamic plumes. in this study, bacteria ... | 2011 | 21418498 |
| autoregulation of nodulation interferes with impacts of nitrogen fertilization levels on the leaf-associated bacterial community in soybeans. | the diversities leaf-associated bacteria on nonnodulated (nod(-)), wild-type nodulated (nod(+)), and hypernodulated (nod(++)) soybeans were evaluated by clone library analyses of the 16s rrna gene. to analyze the impact of nitrogen fertilization on the bacterial leaf community, soybeans were treated with standard nitrogen (sn) (15 kg n ha(-1)) or heavy nitrogen (hn) (615 kg n ha(-1)) fertilization. under sn fertilization, the relative abundance of alphaproteobacteria was significantly higher in ... | 2011 | 21239540 |
| reclassification of aurantimonas altamirensis (jurado et al. 2006), aurantimonas ureilytica (weon et al. 2007) and aurantimonas frigidaquae (kim et al. 2008) as members of the genus aureimonas gen. nov., and emended descriptions of the genera aurantimonas and fulvimarina. | members of the genera aurantimonas and fulvimarina have been largely described on the basis of 16s rrna sequence, biochemical tests and limited chemotaxomic data. examination of the polar lipid compositions of members of these two genera indicate that although the patterns were similar with regards the phospholipid and amino lipid compositions, there were clear differences in the presence/absence of the glycolipid sulfoquinovosyldiacylglycerol (sqdg). this glycolipid was absent in aurantimonas c ... | 2010 | 21186293 |
| community shifts of soybean stem-associated bacteria responding to different nodulation phenotypes and n levels. | the diversity of stem-associated bacteria of non-nodulated (nod(-)), wild-type nodulated (nod(+)) and hypernodulated (nod(++)) soybeans were evaluated by clone library analyses of the 16s ribosomal rna gene. soybeans were dressed with standard nitrogen (sn) fertilization (15 kg n ha(-1)) and heavy nitrogen (hn) fertilization (615 kg n ha(-1)). the relative abundance of alphaproteobacteria in nod(+) soybeans (66%) was smaller than that in nod(-) and nod(++) soybeans (75-76%) under sn fertilizatio ... | 2010 | 19924157 |
| mn(ii) oxidation is catalyzed by heme peroxidases in "aurantimonas manganoxydans" strain si85-9a1 and erythrobacter sp. strain sd-21. | a new type of manganese-oxidizing enzyme has been identified in two alphaproteobacteria, "aurantimonas manganoxydans" strain si85-9a1 and erythrobacter sp. strain sd-21. these proteins were identified by tandem mass spectrometry of manganese-oxidizing bands visualized by native polyacrylamide gel electrophoresis in-gel activity assays and fast protein liquid chromatography-purified proteins. proteins of both alphaproteobacteria contain animal heme peroxidase and hemolysin-type calcium binding do ... | 2009 | 19411418 |
| bacterial diversity and white plague disease-associated community changes in the caribbean coral montastraea faveolata. | increasing evidence confirms the crucial role bacteria and archaea play within the coral holobiont, that is, the coral host and its associated microbial community. the bacterial component constitutes a community of high diversity, which appears to change in structure in response to disease events. in this study, we highlight the limitation of 16s rrna gene (16s rdna) clone library sequencing as the sole method to comprehensively describe coral-associated communities. this limitation was addresse ... | 2009 | 19129866 |
| aurantimonas frigidaquae sp. nov., isolated from a water-cooling system. | a motile, short rod-shaped and yellow-pigmented bacterium, designated strain cw5t, was isolated from a water-cooling system at gwangyang, republic of korea. cells were gram-negative, facultatively anaerobic and catalase- and oxidase-positive. the major fatty acids were c18 : 1omega7c (64.7 %) and c16 : 0 (14.1 %). the dna g+c content was 63.9 mol%. a phylogenetic tree based on 16s rrna gene sequence comparison showed that strain cw5t clustered within the aurantimonas lineage and is closely relat ... | 2008 | 18450703 |
| genomic insights into mn(ii) oxidation by the marine alphaproteobacterium aurantimonas sp. strain si85-9a1. | microbial mn(ii) oxidation has important biogeochemical consequences in marine, freshwater, and terrestrial environments, but many aspects of the physiology and biochemistry of this process remain obscure. here, we report genomic insights into mn(ii) oxidation by the marine alphaproteobacterium aurantimonas sp. strain si85-9a1, isolated from the oxic/anoxic interface of a stratified fjord. the si85-9a1 genome harbors the genetic potential for metabolic versatility, with genes for organoheterotro ... | 2008 | 18344346 |
| aurantimonas ureilytica sp. nov., isolated from an air sample. | a novel strain, designated 5715s-12(t), was isolated from an air sample collected from suwon region, republic of korea, using r2a medium. the cells were strictly aerobic, gram-negative, motile, short rods. comparison of the 16s rrna gene sequence of strain 5715s-12(t) showed the highest sequence similarities to aurantimonas altamirensis s21b(t) (95.9 %) and aurantimonas coralicida wp1(t) (95.4 %). phylogenetic trees indicated that the strain formed a cluster with members of the family aurantimon ... | 2007 | 17684243 |
| development and field application of a molecular probe for the primary pathogen of the coral disease white plague type ii. | one of the current problems in the field of coral disease research is that of tracking coral pathogens in the natural environment. a promising method to do this is by use of pathogen-specific molecular probes. however, this approach has been little used to date. we constructed, and validated in the laboratory, a fluorochrome-labeled molecular probe specific to aurantimonas coralicida, the bacterial pathogen of the caribbean coral disease white plague type ii (wpil). we then used the probe to tes ... | 2005 | 17465139 |
| ecological physiology of a coral pathogen and the coral reef environment. | laboratory studies on the ecological physiology of a coral pathogen were carried out to investigate growth potential in terms of environmental factors that may control coral diseases on reefs. the disease chosen for this study, white plague type ii, is considered to be one of the major diseases of caribbean scleractinian corals, affecting a wide range of coral hosts and causing rapid and widespread tissue loss. it is caused by a single pathogen, the bacterium aurantimonas coralicida. a series of ... | 2006 | 16598636 |
| aurantimonas manganoxydans, sp. nov. and aurantimonas litoralis, sp. nov.: mn(ii) oxidizing representatives of a globally distributed clade of alpha-proteobacteria from the order rhizobiales. | several closely related mn(ii)-oxidizing alpha-proteobacteria were isolated from very different marine environments: strain si85-9a1 from the oxic/anoxic interface of a stratified canadian fjord, strain htcc 2156 from the surface waters off the oregon coast, and strain ae01 from the dorsal surface of a hydrothermal vent tubeworm. 16s rrna analysis reveals that these isolates are part of a tight phylogenetic cluster with previously characterized members of the genus aurantimonas. other organisms ... | 2009 | 19768133 |
| first report of isolation and characterization of aurantimonas altamirensis from clinical samples. | the genus aurantimonas, proposed in 2003, encompasses four species from environmental sources, including aurantimonas altamirensis, isolated from a cave wall in spain. here, we report what we believe are the first cases of the recovery of a. altamirensis from human clinical materials. | 2008 | 18495852 |